Ceiling Box Extender
For set back ceiling boxes. Fits 3-1/2" and 4" round or octagonal boxes.
For additional information, including specifications, dimensions, and applications - please click on a part number listed below.
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Additional InformationComplies with 2020 NEC Article 314.20.
Extends box up to 1-1/2" to bring it level with ceiling surface.
Trims to accommodate shallow boxes or to avoid obstructions.
Manufactured from 105&edg;C continuous use 94V0 rated flame retardant plastic for safer installations.